export const uuid = (len, radix, newCharts) => {
    let chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
    if (newCharts) {
        chars = newCharts.split('')
    }
    const uuid = []; let
        i;
    radix = radix || chars.length;
    if (len) {
        // Compact form
        // eslint-disable-next-line no-bitwise
        for (i = 0; i < len; i += 1) {
            // eslint-disable-next-line no-bitwise
            // @ts-ignore
            uuid[i] = chars[0 | Math.random() * radix];
        }
    } else {
        // rfc4122, version 4 form
        let r;
        // rfc4122 requires these characters
        // eslint-disable-next-line no-multi-assign
        // @ts-ignore
        uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';
        // @ts-ignore
        uuid[14] = '4';
        // Fill in random data.  At i==19 set the high bits of clock sequence as
        // per rfc4122, sec. 4.1.5
        for (i = 0; i < 36; i += 1) {
            if (!uuid[i]) {
                // eslint-disable-next-line no-bitwise
                r = 0 | Math.random() * 16;
                // eslint-disable-next-line eqeqeq,no-bitwise
                // @ts-ignore
                uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];
            }
        }
    }
    return uuid.join('');
}
export const copyText = (text) => {
    const textarea = document.createElement("textarea");
    textarea.value = text;
    textarea.style.position = "absolute";
    textarea.style.opacity = "0";
    document.body.appendChild(textarea);
    textarea.select();
    document.execCommand("copy");
    document.body.removeChild(textarea);
};
export const transformFileSize = (bytes) => {
    if (bytes === 0) return '0 字节';
    const units = ['字节', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
    const index = Math.floor(Math.log(bytes) / Math.log(1024));
    const value = (bytes / Math.pow(1024, index)).toFixed(2); // 保留两位小数
    return `${value} ${units[index]}`;
}
export function zeroNum(num){
    return (num + '').length < 2 ? ('0' + num) : num;
}
export function formatTime(time) {
    try {
        const date = new Date(time);
        return date.getFullYear() + '-' + zeroNum(Number(date.getMonth() + 1)) +  '-' + zeroNum(date.getDate()) + ' ' + zeroNum(date.getHours()) + ':' + zeroNum(date.getMinutes()) + ':' + zeroNum(date.getSeconds());
    } catch(e) {
        return ''
    }
}

export function formatTimeToDateStr(time) {
    try {
        const date = new Date(time);
        return date.getFullYear() + '-' + zeroNum(Number(date.getMonth() + 1)) +  '-' + zeroNum(date.getDate());
    } catch(e) {
        return ''
    }
}
